Finding the Fourth Proportional to 3,964.32, 5,947.40 and 1,191.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,964.32 : 5,947.40 = 1,191.05 : x
2. Step 2: Convert to fraction form
   3,964.32/5,947.40 = 1,191.05/x
3. Step 3: Cross multiply
   3,964.32x = 5,947.40 × 1,191.05
4. Step 4: Simplify right side
   3,964.32x = 7,083,637.38
5. Step 5: Solve for x
   x = 7,083,637.38/3,964.32
6. Step 6: Final answer
   x = 1,786.85